smtp.rucdm.com - robtex.com

smtp.rucdm.com

DNSSEC⚠️ Not signed

rucdm.com

DNSSEC⚠️ Not signed
NSdns9.hichina.com ⭐
NSdns10.hichina.com
MXmxbiz1.qq.com ⭐
MXmxbiz2.qq.com(10)
SOAdns9.hichina.comhostmaster@hichina.com 2026-01-09 #13

Same first word

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DNS History

2 records (0 active, 2 former)

201820192020202120222023202420252026A1.202.141.116106.120.214.35
○A1.202.141.1162026-04-08 → 2026-05-13 · 2 obs
○ 2026-04-08 03:43:24
○ 2026-05-13 05:29:46
○A106.120.214.352017-05-29 → 2017-05-29 · 3 obs
● 2017-05-29 01:27:16
○ 2026-04-08 03:43:24
○ 2026-05-13 05:29:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...-
rucdm.comdns9.hichina.com, dns10.hichina.com18 records

✅ Authoritative Response

Server:120.76.107.41

NS records: dns9.hichina.com, dns10.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rucdm.com (unsigned zone)

⏱️ Timing

Total: 3518ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns9.hichina.com, dns9.hichina.com, dns9.hichina.com...)